In the last decade, the pace of urbanization, especially in Africa and Asia, has been rapid. It is predicted that by 2050 about 64% of theÃƒâ€šÃ‚Â developing worldÃƒâ€šÃ‚Â and 86%Ãƒâ€šÃ‚Â of theÃƒâ€šÃ‚Â developed worldÃƒâ€šÃ‚Â will be urbanized. That is equivalent to approximately 3 billionÃƒâ€šÃ‚Â urbanites by 2050.Ãƒâ€šÃ‚Â In many fast-growing cities in Africa, what constitutes an urban neighbourhood has undergone dramatic change. […]